martangasked Apr 28, 2018 at 10:35am
I just replaced my drum and reset it. It gave me error message "back cover open, close back cover". Firstly I never opened it. I thought I'd just open and close it so that error message can go but it's still there. Then I thought it's my new drum issue so I put toner cartridge back to the old one but error message of back cover open still exist. Can you help? Thanks
Problem could be a paper jam. Check carefully inside the printer and at the fuser for any scraps of paper. If you can't find any, the paper sensor arm at the back of the fuser might have been dislodged. Look for a black plastic arm hanging down. It should pivot back and forth smoothly when you touch it.